Liebler specializes in Shakespeare; her research interests also include Early Modern English Drama, World Drama, Literary Theory, Tragedy, Renaissance Literature, Literature and Anthropology, and the Literature of Age and Aging. She is the author of Shakespeare’s Festive Tragedy: The Ritual Foundations of Genre (Routledge, 1995), and editor of the books Early Modern Prose Fiction: The Cultural Politics of Reading (Routledge 2007), The Female Tragic Hero in Renaissance English Drama (Palgrave, 2002), Tragedy: A Critical Reader, co-ed. with J. Drakakis (Longmans, 1998). She is currently editing the Early Modern/Renaissance volume of the 6-volume Cultural History of Tragedy (Bloomsbury/Methuen, due out in 2018).